Home / 74,207,353,963.90-111,311,030,945.85-38,821,036,114.30

Finding the Fourth Proportional to 74,207,353,963.90, 111,311,030,945.85 and 38,821,036,114.30

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Solution

The fourth proportional to 74,207,353,963.90, 111,311,030,945.85 and 38,821,036,114.30 is: 58,231,554,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207,353,963.90 : 111,311,030,945.85 = 38,821,036,114.30 : x
  2. Step 2: Convert to fraction form
    74,207,353,963.90/111,311,030,945.85 = 38,821,036,114.30/x
  3. Step 3: Cross multiply
    74,207,353,963.90x = 111,311,030,945.85 × 38,821,036,114.30
  4. Step 4: Simplify right side
    74,207,353,963.90x = 4,321,209,552,268,808,421,376
  5. Step 5: Solve for x
    x = 4,321,209,552,268,808,421,376/74,207,353,963.90
  6. Step 6: Final answer
    x = 58,231,554,171.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.